HARRISON , N.; PAJENDA , S.; SZARPAK , L.; BUSCHSIEWEKE , A.-M.; SOMRI , M.; FRASS , M.; PANNING , B.; ROBAK , O. Ventilation with the esophageal-tracheal Combitube during general anaesthesia: assessing complications in 540 patients. Upsala Journal of Medical Sciences, v. 128, n. 1, 21 Apr. 2023.